*, ::before, ::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    cursor: pointer;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}
li {
    list-style: none;
}
.clear-fix::after {
    display: block;
    clear: both;
    content: "";
}
a, img {
    text-decoration: none;
    -webkit-touch-callout: none;
}
a {
    color: inherit;
}
html, body {
    -webkit-user-select: none;
    user-select: none;
}
body, input, button {
    font-size: 20px;
    font-family: "Helvetica Neue", Helvetica, STHeiTi, sans-serif;
}
textarea, input {
    -webkit-user-select: initial;
}
input, button, select {
    border: 0 none;
    outline: 0 none;
}
html {
    font-size: 18px;
}
@media only screen and (min-width: 330px) {
    html {
        font-size: 20px !important;
    }
}
@media only screen and (min-width: 401px) {
    html {
        font-size: 25px !important;
    }
}
@media only screen and (min-width: 428px) {
    html {
        font-size: 26.75px !important;
    }
}
@media only screen and (min-width: 481px) {
    html {
        font-size: 30px !important;
    }
}
@media only screen and (min-width: 569px) {
    html {
        font-size: 35px !important;
    }
}
@media only screen and (min-width: 641px) {
    html {
        font-size: 40px !important;
    }
}
